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Interstate 40 shield
Interstate 40
Main route of the Interstate Highway System
Maintained by TxDOT
Length: 177.1 mi[1] (285.0 km)
Formed: 1959
West end: I-40 at New Mexico state line
I-27 in Amarillo
East end: I-40 at Oklahoma state line
Highways in Texas
< SH 39 SH 40 >
< SH 65 US 66.svg SH 66 >
InterstateU.S.T.X. (LoopsSpursRecFM)

In the U.S. state of Texas, Interstate 40 (abbreviated I-40) runs east–west through the panhandle in the northwest part of the state. The only large city it passes through is Amarillo, where it meets the north end of Interstate Highway 27.

US 66.svg

The majority of the route of I-40 was upgraded on the spot from the old surface U.S. Highway 66. US 66 was decommissioned in Texas in 1985,[2] leaving only I-40 on the cross-panhandle freeway.

I-40 in Texas is one of a few Interstate Highways with at-grade intersections. The westernmost part of I-40 in Texas, near the New Mexico border, lacks the frontage roads typical to Texas freeways, and several driveways for ranches directly intersect the main lanes of I-40, in violation of Interstate standards.

Exit list

County Location #
Destinations Notes
Deaf Smith 0 Business Spur 40.svg Business Interstate 40-A - Glenrio Former US 66 west
Oldham 15 Ivy Rd
18 FM 2858 / Gruhlkey Road
Adrian 22 SH 214 / I-40 Bus.Adrian Signed as exit 23A westbound
23 SH 214 south Signed as exit 23B westbound
28 FM 3319 – Landergin
35 I-40 Bus. east / FM 3319Vega
Vega 36 US 385
37 I-40 Bus. west – Vega
42 Everett Road
49 FM 809Wildorado
Potter 54 Adkisson Road
57 RM 2381Bushland
60 Arnot Road
62A Hope Road, Helium Road Signed as exit 62 eastbound
62B I-40 Bus. east (Amarillo Boulevard) Eastbound exit and westbound entrance
Amarillo 64 Loop 335 (Soncy Road) / Helium Road
65 Coulter Drive
66 Bell Street, Avondale Street, Wolflin Avenue
67 Western Street, Avondale Street
68A Julian Boulevard, Paramount Boulevard
68B Georgia Street, Crockett Street
69A Crockett Street Westbound exit and eastbound entrance
69B Washington Street – Amarillo College Signed as exit 69 eastbound
70 I-27 south / US 60 / US 87 / US 287 north – Canyon, Lubbock, Dumas, Pampa
Begin I-40.svg / US 287.svg concurrency
71 Ross-Osage Street, Arthur Street
72A Loop 362 / Nelson Street, Quarter Horse Drive
72B Loop 395 / Grand Street, Bolton Street
73 Eastern Street, Bolton Street
74 Whitaker Road
75 Loop 335 (Lakeside Drive)
76 Spur 468International Airport Texas Welcome Center at this exit on south side of road
77 FM 1258 (Pullman Road)
78 US 287 south – Fort Worth
End I-40.svg / US 287.svg concurrency
80 Spur 228Amarillo College East Campus
81 FM 1912
Carson 85 Durrett Road Eastbound exit only
85 I-40 Bus. west (Amarillo Boulevard) / FM 2575 No eastbound exit
87 FM 2373
89 FM 2161
96 SH 207 – Conway, Panhandle
98 SH 207 south – Claude Westbound exit and eastbound entrance
105 FM 2880
109 FM 294
110 I-40 Bus. east – Groom
112 FM 295Groom
Groom 113 FM 2300Groom
Gray 114 I-40 Bus. west – Groom
Donley 121 SH 70 north – Pampa
Begin I-40.svg / Texas 70.svg concurrency
124 SH 70 south – Clarendon
End I-40.svg / Texas 70.svg concurrency
128 FM 2477 – Lake McClellan Recreation Area
Gray 132 Johnson Ranch Road
Alanreed 135 Loop 271 / FM 291Alanreed
141 I-40 Bus.McLean Eastbound exit and westbound entrance
McLean 142 SH 273 / FM 3143McLean
143 I-40 Bus.McLean Westbound exit and eastbound entrance
146 County Line Road
148 FM 1443 (Kellerville Road)
152 FM 453 (Pakan Road)
157 FM 1547 / FM 2474 / FM 3075 – Lela
161 I-40 Bus. east – Shamrock Eastbound exit and westbound entrance
Shamrock 163 US 83Shamrock, Wheeler, Wellington
164 I-40 Bus. west – Shamrock
167 FM 2168 (Daberry Road)
169 FM 1802 (Carbon Black Road)
176 Spur 30 east – Texola, OK Eastbound exit and westbound entrance
I-40.svg continues into Oklahoma

Business routes and old alignments

Business Loop 40.svg

I-40 has seven business routes in Texas, all of which are old alignments of US 66. A number of other old alignments of US 66 are also present; most are marked on guide signs on I-40.

Business Interstate Highway 40-A (formerly Spur 504) is a Business Spur that runs from I-40 at Glenrio, just east of the New Mexico state line, southwest to the border. In New Mexico, the road forks - the later paved alignment (ca. 1952) has been cut by Interstate 40, and the earlier alignment west to San Jon is now a dirt road that had been paved when it was US 66 prior to 1952 but the paving was later removed by Quay County, NM commissioners due to high maintenance costs and low traffic volumes. The old US 66/I-40 Business Loop through Glenrio was bypassed in 1973 by I-40.[3]

Business Interstate Highway 40-B (formerly Loop 550) is a Business Loop through Adrian. The road was bypassed ca. 1969 by I-40,[4] and carried US 66 until its 1985 decommissioning.[5]

Business Interstate Highway 40-C (formerly Loop 551) is a Business Loop through Vega. The road was bypassed ca. 1973 by I-40,[4] and carried US 66 until its 1985 decommissioning.[6]

Business Interstate Highway 40-D (formerly Loop 552) is a long Business Loop through Amarillo. An older alignment - Loop 279 - carried Business U.S. Highway 66. East of Amarillo, Farm to Market Road 2575 is old US 66, rerouted to today's Business I-40 in 1958[7] by the construction of Amarillo International Airport. Present Business I-40 was bypassed in 1968 by I-40,[4] and carried US 66 until its 1985 decommissioning.[8]

Farm to Market Road 2161 and State Highway 207 carry old US 66 through Conway. The road was bypassed ca. 1966 by I-40,[4] and carried US 66 until its 1985 decommissioning.[9]

Business Interstate Highway 40-F (formerly Loop 554) is a Business Loop through Groom. The road was bypassed ca. 1980 by I-40,[4] and carried US 66 until its 1985 decommissioning.[10]

The short Loop 271, in addition to providing access to Farm to Market Road 291, is old US 66 through Alanreed. The road was bypassed in 1953 by US 66,[11] but the bypass was not upgraded to a freeway until ca. 1982.[4]

Business Interstate Highway 40-H (formerly Loop 555) is a Business Loop through McLean. The road was bypassed ca. 1984 by I-40,[4] and carried US 66 until its 1985 decommissioning.[12]

Business Interstate Highway 40-J (formerly Loop 556) is a Business Loop through Shamrock. The road was bypassed ca. 1973 by I-40,[4] and carried US 66 until its 1985 decommissioning.[13]

Spur 30 is a short route from I-40 just west of the Oklahoma state line southeast to the border. In Oklahoma, the road is unnumbered though Texola, though it picks up Interstate 40 Business at exit 5 to run through Erick. The road was bypassed ca. 1972 by I-40,[4] and carried US 66 until 1976, when it was moved onto I-40 in the area.[14]


Interstate 40
Previous state:
New Mexico
Texas Next state:
U.S. Route 66
Previous state:
New Mexico
Texas Next state:


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